From a3181dd833970b1aa99087c3e3647387116547f0 Mon Sep 17 00:00:00 2001 From: Matt Kraai Date: Mon, 14 Jan 2002 18:30:10 +0000 Subject: Do not segfault if PATH is unset. --- findutils/which.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) (limited to 'findutils/which.c') diff --git a/findutils/which.c b/findutils/which.c index eec5fdbfb..b2af5a8ea 100644 --- a/findutils/which.c +++ b/findutils/which.c @@ -38,15 +38,16 @@ extern int which_main(int argc, char **argv) argc--; path_list = getenv("PATH"); - if (!path_list) - path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin"; - - /* Replace colons with zeros in path_parsed and count them */ - for(i=strlen(path_list); i > 0; i--) - if (path_list[i]==':') { - path_list[i]=0; - count++; - } + if (path_list != NULL) { + for(i=strlen(path_list); i > 0; i--) + if (path_list[i]==':') { + path_list[i]=0; + count++; + } + } else { + path_list = "/bin\0/sbin\0/usr/bin\0/usr/sbin\0/usr/local/bin"; + count = 5; + } while(argc-- > 0) { path_n = path_list; -- cgit v1.2.3